{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395125051",
    "entityType": "User",
    "nonce": "0xe65d05e328b3e79a17f1c689342a6cda0eafcf197bb23f8bcf39bf33aab140f7",
    "signature": "0x1205b2f3acedb6a7305babc21fd325391451dd416deed979d9440e487571dd8501282f8d667959959ea132fe32cc21097fa9a8bf07f55ce6693aca56d21fe4a11c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}